DAHUA · PTZ SECURITY CAMERASDahua DH-SDT4E425-4F-GB-A-PV1-S2 Dual 4MP X-Spans 25× PTZ Camera
Keep the wide scene in view while a second camera zooms in on activity. This Dahua X-Spans model combines a fixed 4MP overview channel with a separate 4MP 25× optical-zoom PTZ channel, providing linked surveillance rather than a single 8MP picture.
Imaging
Two independent 4MP channels, not one native 8MP stream
Overview channel
1/2.8-inch CMOS, 2560 × 1440, 2.8 mm fixed lens
Overview viewing angle
101° horizontal
Detail channel
4MP, 5–125 mm motorised lens
Designed for your installation
Smart tracking and active deterrence suit yards, entrances and larger properties that need both context and detail. The overview channel watches the scene while the movable detail channel follows configured events on a compatible system.
Detail illumination
Up to 100 m IR and 50 m warm light
Smart tracking and intelligent event linkage
Built-in microphones and speaker
Technical Specifications
| Model |
DH-SDT4E425-4F-GB-A-PV1-S2 |
| Imaging |
Two independent 4MP channels, not one native 8MP stream |
| Overview channel |
1/2.8-inch CMOS, 2560 × 1440, 2.8 mm fixed lens |
| Overview viewing angle |
101° horizontal |
| Detail channel |
4MP, 5–125 mm motorised lens |
| Optical zoom |
25× |
| Detail illumination |
Up to 100 m IR and 50 m warm light |
| Tracking |
Smart tracking and intelligent event linkage |
| Audio |
Built-in microphones and speaker |
| Storage |
microSD up to 512 GB, sold separately |
| Power |
12 VDC, 3 A or IEEE 802.3at PoE+ |
| Maximum consumption |
25 W |
| Protection |
IP66, TVS 6000 V protection |
Setup and compatibility
Confirm the mounting bracket, clear PTZ movement and the maximum PoE budget before installation. Optical zoom belongs to the detail channel only. Track performance depends on target movement, scene, configuration and mounting position.
Official product family video
Official Dahua X-Spans SDT3E and SDT4E overview
Downloads
DH-SDT4E425-4F-GB-A-PV1-S2 Datasheet (PDF)
Frequently asked questions
Can DH-SDT4E425-4F-GB-A-PV1-S2 record to a microSD card?
Yes. microSD up to 512 GB, sold separately. The card is separate; configure recording and retention for the installation.
What should I check before installation?
Confirm the mounting bracket, clear PTZ movement and the maximum PoE budget before installation. Optical zoom belongs to the detail channel only. Track performance depends on target movement, scene, configuration and mounting position.
Where can I download the DH-SDT4E425-4F-GB-A-PV1-S2 datasheet?
The manufacturer PDF is hosted on CCTV Guru’s Shopify file library and linked in Downloads on this product page.
